County Dropped & \multicolumn{1}{c}{GLO} & \multicolumn{1}{c}{NFK} & \multicolumn{1}{c}{SUR} & \multicolumn{1}{c}{WRY} \\ 
 Mean dep. var. & 0.16 & 0.16 & 0.16 & 0.17 \\ 
 Sd dep. var. & 0.08 & 0.08 & 0.08 & 0.06 \\ 
 Observations & 3016 & 2922 & 3121 & 1405 \\ 
 $R^2$ & 0.257 & 0.305 & 0.251 & 0.278 \\ 
 